id:A074373 - OEIS Search Results

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Square of the sum of the prime factors of n (with repetition).

+0
3

0, 4, 9, 16, 25, 25, 49, 36, 36, 49, 121, 49, 169, 81, 64, 64, 289, 64, 361, 81, 100, 169, 529, 81, 100, 225, 81, 121, 841, 100, 961, 100, 196, 361, 144, 100, 1369, 441, 256, 121, 1681, 144, 1849, 225, 121, 625, 2209, 121, 196, 144, 400, 289, 2809, 121, 256 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Neville Holmes, Integer Sequence Combinations`
	EXAMPLE	`a(12)=49 because 12=223, 2+2+3=7 and 7^2 = 49.`
	CROSSREFS	`Equals A001414^2.` `Sequence in context: A070448 A081403 A017668 this_sequence A067115 A061077 A086132` `Adjacent sequences: A074370 A074371 A074372 this_sequence A074374 A074375 A074376`
	KEYWORD	`easy,nonn`
	AUTHOR	`Neville Holmes (neville.holmes(AT)utas.edu.au), Aug 28 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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